Executive chef at Gilchrist hunting club Matt Boring says it's important to clean your utensils when switching between foods.

"Whenever you are cooking with or messing with raw poultry for example, and then you switch over to a vegetable like lettuce, if you don't wash your cutting board, for whatever reason, you cold be contracting anything from salmonella to other microbiological organisms that you don't want," said Boring.

Next week we'll tell you which types of food you don't want to leave out too long, and the warning signs of food that's starting to go bad.